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Metis---2.4.UNS-CRf.s

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%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : COL002-4 : TPTP v8.1.0. Bugfixed v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n032.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Fri Jul 15 00:36:10 EDT 2022

% Result   : Unsatisfiable 1.97s 2.17s
% Output   : CNFRefutation 1.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :   28
% Syntax   : Number of clauses     :  108 (  59 unt;   0 nHn;  54 RR)
%            Number of literals    :  178 ( 177 equ;  72 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    3 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  147 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(s_definition,axiom,
    apply(apply(apply(s,X),Y),Z) = apply(apply(X,Z),apply(Y,Z)) ).

cnf(b_definition,axiom,
    apply(apply(apply(b,X),Y),Z) = apply(X,apply(Y,Z)) ).

cnf(i_definition,axiom,
    apply(i,X) = X ).

cnf(weak_fixed_point,axiom,
    weak_fixed_point(X) = apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i)) ).

cnf(prove_weak_fixed_point,negated_conjecture,
    weak_fixed_point(fixed_pt) != apply(fixed_pt,weak_fixed_point(fixed_pt)) ).

cnf(refute_0_0,plain,
    apply(apply(apply(s,X),apply(X_9,X)),Z) = apply(apply(X,Z),apply(apply(X_9,X),Z)),
    inference(subst,[],[s_definition:[bind(Y,$fot(apply(X_9,X)))]]) ).

cnf(refute_0_1,plain,
    apply(apply(apply(s,s),X_9),X) = apply(apply(s,X),apply(X_9,X)),
    inference(subst,[],[s_definition:[bind(X,$fot(s)),bind(Y,$fot(X_9)),bind(Z,$fot(X))]]) ).

cnf(refute_0_2,plain,
    X0 = X0,
    introduced(tautology,[refl,[$fot(X0)]]) ).

cnf(refute_0_3,plain,
    ( X0 != X0
    | X0 != Y0
    | Y0 = X0 ),
    introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y0)]]) ).

cnf(refute_0_4,plain,
    ( X0 != Y0
    | Y0 = X0 ),
    inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_2,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( apply(apply(apply(s,s),X_9),X) != apply(apply(s,X),apply(X_9,X))
    | apply(apply(s,X),apply(X_9,X)) = apply(apply(apply(s,s),X_9),X) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(apply(apply(apply(s,s),X_9),X))),bind(Y0,$fot(apply(apply(s,X),apply(X_9,X))))]]) ).

cnf(refute_0_6,plain,
    apply(apply(s,X),apply(X_9,X)) = apply(apply(apply(s,s),X_9),X),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,s),X_9),X),apply(apply(s,X),apply(X_9,X))) )],[refute_0_1,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( apply(apply(apply(s,X),apply(X_9,X)),Z) != apply(apply(X,Z),apply(apply(X_9,X),Z))
    | apply(apply(s,X),apply(X_9,X)) != apply(apply(apply(s,s),X_9),X)
    | apply(apply(apply(apply(s,s),X_9),X),Z) = apply(apply(X,Z),apply(apply(X_9,X),Z)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,X),apply(X_9,X)),Z),apply(apply(X,Z),apply(apply(X_9,X),Z))) ),[0,0],$fot(apply(apply(apply(s,s),X_9),X))]]) ).

cnf(refute_0_8,plain,
    ( apply(apply(apply(s,X),apply(X_9,X)),Z) != apply(apply(X,Z),apply(apply(X_9,X),Z))
    | apply(apply(apply(apply(s,s),X_9),X),Z) = apply(apply(X,Z),apply(apply(X_9,X),Z)) ),
    inference(resolve,[$cnf( $equal(apply(apply(s,X),apply(X_9,X)),apply(apply(apply(s,s),X_9),X)) )],[refute_0_6,refute_0_7]) ).

cnf(refute_0_9,plain,
    apply(apply(apply(apply(s,s),X_9),X),Z) = apply(apply(X,Z),apply(apply(X_9,X),Z)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,X),apply(X_9,X)),Z),apply(apply(X,Z),apply(apply(X_9,X),Z))) )],[refute_0_0,refute_0_8]) ).

cnf(refute_0_10,plain,
    apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)),
    inference(subst,[],[refute_0_9:[bind(X,$fot(apply(s,apply(b,X_19)))),bind(Z,$fot(i)),bind(X_9,$fot(i))]]) ).

cnf(refute_0_11,plain,
    apply(apply(apply(s,i),X_9),X_10) = apply(apply(i,X_10),apply(X_9,X_10)),
    inference(subst,[],[s_definition:[bind(X,$fot(i)),bind(Y,$fot(X_9)),bind(Z,$fot(X_10))]]) ).

cnf(refute_0_12,plain,
    apply(i,X_10) = X_10,
    inference(subst,[],[i_definition:[bind(X,$fot(X_10))]]) ).

cnf(refute_0_13,plain,
    ( apply(apply(apply(s,i),X_9),X_10) != apply(apply(i,X_10),apply(X_9,X_10))
    | apply(i,X_10) != X_10
    | apply(apply(apply(s,i),X_9),X_10) = apply(X_10,apply(X_9,X_10)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,i),X_9),X_10),apply(apply(i,X_10),apply(X_9,X_10))) ),[1,0],$fot(X_10)]]) ).

cnf(refute_0_14,plain,
    ( apply(apply(apply(s,i),X_9),X_10) != apply(apply(i,X_10),apply(X_9,X_10))
    | apply(apply(apply(s,i),X_9),X_10) = apply(X_10,apply(X_9,X_10)) ),
    inference(resolve,[$cnf( $equal(apply(i,X_10),X_10) )],[refute_0_12,refute_0_13]) ).

cnf(refute_0_15,plain,
    apply(apply(apply(s,i),X_9),X_10) = apply(X_10,apply(X_9,X_10)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),X_9),X_10),apply(apply(i,X_10),apply(X_9,X_10))) )],[refute_0_11,refute_0_14]) ).

cnf(refute_0_16,plain,
    apply(apply(apply(s,i),i),X_11) = apply(X_11,apply(i,X_11)),
    inference(subst,[],[refute_0_15:[bind(X_10,$fot(X_11)),bind(X_9,$fot(i))]]) ).

cnf(refute_0_17,plain,
    apply(i,X_11) = X_11,
    inference(subst,[],[i_definition:[bind(X,$fot(X_11))]]) ).

cnf(refute_0_18,plain,
    ( apply(apply(apply(s,i),i),X_11) != apply(X_11,apply(i,X_11))
    | apply(i,X_11) != X_11
    | apply(apply(apply(s,i),i),X_11) = apply(X_11,X_11) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,i),i),X_11),apply(X_11,apply(i,X_11))) ),[1,1],$fot(X_11)]]) ).

cnf(refute_0_19,plain,
    ( apply(apply(apply(s,i),i),X_11) != apply(X_11,apply(i,X_11))
    | apply(apply(apply(s,i),i),X_11) = apply(X_11,X_11) ),
    inference(resolve,[$cnf( $equal(apply(i,X_11),X_11) )],[refute_0_17,refute_0_18]) ).

cnf(refute_0_20,plain,
    apply(apply(apply(s,i),i),X_11) = apply(X_11,X_11),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),X_11),apply(X_11,apply(i,X_11))) )],[refute_0_16,refute_0_19]) ).

cnf(refute_0_21,plain,
    apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)),
    inference(subst,[],[refute_0_20:[bind(X_11,$fot(apply(apply(s,apply(b,X_19)),i)))]]) ).

cnf(refute_0_22,plain,
    ( apply(apply(apply(s,i),i),X_11) != apply(X_11,X_11)
    | apply(X_11,X_11) = apply(apply(apply(s,i),i),X_11) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(apply(apply(apply(s,i),i),X_11))),bind(Y0,$fot(apply(X_11,X_11)))]]) ).

cnf(refute_0_23,plain,
    apply(X_11,X_11) = apply(apply(apply(s,i),i),X_11),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),X_11),apply(X_11,X_11)) )],[refute_0_20,refute_0_22]) ).

cnf(refute_0_24,plain,
    apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i)) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i)),
    inference(subst,[],[refute_0_23:[bind(X_11,$fot(apply(apply(s,apply(b,X)),i)))]]) ).

cnf(refute_0_25,plain,
    ( apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i)) != apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i))
    | weak_fixed_point(X) != apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i))
    | weak_fixed_point(X) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i)) ),
    introduced(tautology,[equality,[$cnf( $equal(weak_fixed_point(X),apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i))) ),[1],$fot(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i)))]]) ).

cnf(refute_0_26,plain,
    ( weak_fixed_point(X) != apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i))
    | weak_fixed_point(X) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i)),apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i))) )],[refute_0_24,refute_0_25]) ).

cnf(refute_0_27,plain,
    weak_fixed_point(X) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X)),i)),
    inference(resolve,[$cnf( $equal(weak_fixed_point(X),apply(apply(apply(s,apply(b,X)),i),apply(apply(s,apply(b,X)),i))) )],[weak_fixed_point,refute_0_26]) ).

cnf(refute_0_28,plain,
    weak_fixed_point(X_19) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)),
    inference(subst,[],[refute_0_27:[bind(X,$fot(X_19))]]) ).

cnf(refute_0_29,plain,
    ( weak_fixed_point(X_19) != apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i))
    | apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) = weak_fixed_point(X_19) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(weak_fixed_point(X_19))),bind(Y0,$fot(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i))))]]) ).

cnf(refute_0_30,plain,
    apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) = weak_fixed_point(X_19),
    inference(resolve,[$cnf( $equal(weak_fixed_point(X_19),apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i))) )],[refute_0_28,refute_0_29]) ).

cnf(refute_0_31,plain,
    ( apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))
    | apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) != weak_fixed_point(X_19)
    | weak_fixed_point(X_19) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))) ),[0],$fot(weak_fixed_point(X_19))]]) ).

cnf(refute_0_32,plain,
    ( apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))
    | weak_fixed_point(X_19) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)),weak_fixed_point(X_19)) )],[refute_0_30,refute_0_31]) ).

cnf(refute_0_33,plain,
    weak_fixed_point(X_19) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))) )],[refute_0_21,refute_0_32]) ).

cnf(refute_0_34,plain,
    apply(apply(apply(s,Y),Y),Z) = apply(apply(Y,Z),apply(Y,Z)),
    inference(subst,[],[s_definition:[bind(X,$fot(Y))]]) ).

cnf(refute_0_35,plain,
    apply(apply(apply(s,X_8),i),X_10) = apply(apply(X_8,X_10),apply(i,X_10)),
    inference(subst,[],[s_definition:[bind(X,$fot(X_8)),bind(Y,$fot(i)),bind(Z,$fot(X_10))]]) ).

cnf(refute_0_36,plain,
    ( apply(apply(apply(s,X_8),i),X_10) != apply(apply(X_8,X_10),apply(i,X_10))
    | apply(i,X_10) != X_10
    | apply(apply(apply(s,X_8),i),X_10) = apply(apply(X_8,X_10),X_10) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,X_8),i),X_10),apply(apply(X_8,X_10),apply(i,X_10))) ),[1,1],$fot(X_10)]]) ).

cnf(refute_0_37,plain,
    ( apply(apply(apply(s,X_8),i),X_10) != apply(apply(X_8,X_10),apply(i,X_10))
    | apply(apply(apply(s,X_8),i),X_10) = apply(apply(X_8,X_10),X_10) ),
    inference(resolve,[$cnf( $equal(apply(i,X_10),X_10) )],[refute_0_12,refute_0_36]) ).

cnf(refute_0_38,plain,
    apply(apply(apply(s,X_8),i),X_10) = apply(apply(X_8,X_10),X_10),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,X_8),i),X_10),apply(apply(X_8,X_10),apply(i,X_10))) )],[refute_0_35,refute_0_37]) ).

cnf(refute_0_39,plain,
    apply(apply(apply(s,s),i),Y) = apply(apply(s,Y),Y),
    inference(subst,[],[refute_0_38:[bind(X_10,$fot(Y)),bind(X_8,$fot(s))]]) ).

cnf(refute_0_40,plain,
    ( apply(apply(apply(s,s),i),Y) != apply(apply(s,Y),Y)
    | apply(apply(s,Y),Y) = apply(apply(apply(s,s),i),Y) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(apply(apply(apply(s,s),i),Y))),bind(Y0,$fot(apply(apply(s,Y),Y)))]]) ).

cnf(refute_0_41,plain,
    apply(apply(s,Y),Y) = apply(apply(apply(s,s),i),Y),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,s),i),Y),apply(apply(s,Y),Y)) )],[refute_0_39,refute_0_40]) ).

cnf(refute_0_42,plain,
    ( apply(apply(apply(s,Y),Y),Z) != apply(apply(Y,Z),apply(Y,Z))
    | apply(apply(s,Y),Y) != apply(apply(apply(s,s),i),Y)
    | apply(apply(apply(apply(s,s),i),Y),Z) = apply(apply(Y,Z),apply(Y,Z)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,Y),Y),Z),apply(apply(Y,Z),apply(Y,Z))) ),[0,0],$fot(apply(apply(apply(s,s),i),Y))]]) ).

cnf(refute_0_43,plain,
    ( apply(apply(apply(s,Y),Y),Z) != apply(apply(Y,Z),apply(Y,Z))
    | apply(apply(apply(apply(s,s),i),Y),Z) = apply(apply(Y,Z),apply(Y,Z)) ),
    inference(resolve,[$cnf( $equal(apply(apply(s,Y),Y),apply(apply(apply(s,s),i),Y)) )],[refute_0_41,refute_0_42]) ).

cnf(refute_0_44,plain,
    apply(apply(apply(apply(s,s),i),Y),Z) = apply(apply(Y,Z),apply(Y,Z)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,Y),Y),Z),apply(apply(Y,Z),apply(Y,Z))) )],[refute_0_34,refute_0_43]) ).

cnf(refute_0_45,plain,
    ( apply(apply(apply(apply(s,s),i),Y),Z) != apply(apply(Y,Z),apply(Y,Z))
    | apply(apply(Y,Z),apply(Y,Z)) = apply(apply(apply(apply(s,s),i),Y),Z) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(apply(apply(apply(apply(s,s),i),Y),Z))),bind(Y0,$fot(apply(apply(Y,Z),apply(Y,Z))))]]) ).

cnf(refute_0_46,plain,
    apply(apply(Y,Z),apply(Y,Z)) = apply(apply(apply(apply(s,s),i),Y),Z),
    inference(resolve,[$cnf( $equal(apply(apply(apply(apply(s,s),i),Y),Z),apply(apply(Y,Z),apply(Y,Z))) )],[refute_0_44,refute_0_45]) ).

cnf(refute_0_47,plain,
    apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)) = apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i),
    inference(subst,[],[refute_0_46:[bind(Y,$fot(apply(s,apply(b,X_19)))),bind(Z,$fot(i))]]) ).

cnf(refute_0_48,plain,
    ( apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)) != apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i)
    | weak_fixed_point(X_19) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))
    | weak_fixed_point(X_19) = apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) ),
    introduced(tautology,[equality,[$cnf( $equal(weak_fixed_point(X_19),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))) ),[1],$fot(apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i))]]) ).

cnf(refute_0_49,plain,
    ( weak_fixed_point(X_19) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))
    | weak_fixed_point(X_19) = apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i)),apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i)) )],[refute_0_47,refute_0_48]) ).

cnf(refute_0_50,plain,
    weak_fixed_point(X_19) = apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i),
    inference(resolve,[$cnf( $equal(weak_fixed_point(X_19),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(s,apply(b,X_19)),i))) )],[refute_0_33,refute_0_49]) ).

cnf(refute_0_51,plain,
    ( weak_fixed_point(X_19) != apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i)
    | apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) = weak_fixed_point(X_19) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(weak_fixed_point(X_19))),bind(Y0,$fot(apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i)))]]) ).

cnf(refute_0_52,plain,
    apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) = weak_fixed_point(X_19),
    inference(resolve,[$cnf( $equal(weak_fixed_point(X_19),apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i)) )],[refute_0_50,refute_0_51]) ).

cnf(refute_0_53,plain,
    ( apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))
    | apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) != weak_fixed_point(X_19)
    | weak_fixed_point(X_19) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))) ),[0],$fot(weak_fixed_point(X_19))]]) ).

cnf(refute_0_54,plain,
    ( apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))
    | weak_fixed_point(X_19) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i),weak_fixed_point(X_19)) )],[refute_0_52,refute_0_53]) ).

cnf(refute_0_55,plain,
    weak_fixed_point(X_19) = apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(apply(s,s),i),apply(s,apply(b,X_19))),i),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))) )],[refute_0_10,refute_0_54]) ).

cnf(refute_0_56,plain,
    apply(i,apply(s,apply(b,X_19))) = apply(s,apply(b,X_19)),
    inference(subst,[],[i_definition:[bind(X,$fot(apply(s,apply(b,X_19))))]]) ).

cnf(refute_0_57,plain,
    apply(apply(i,apply(s,apply(b,X_19))),i) = apply(apply(i,apply(s,apply(b,X_19))),i),
    introduced(tautology,[refl,[$fot(apply(apply(i,apply(s,apply(b,X_19))),i))]]) ).

cnf(refute_0_58,plain,
    ( apply(apply(i,apply(s,apply(b,X_19))),i) != apply(apply(i,apply(s,apply(b,X_19))),i)
    | apply(i,apply(s,apply(b,X_19))) != apply(s,apply(b,X_19))
    | apply(apply(i,apply(s,apply(b,X_19))),i) = apply(apply(s,apply(b,X_19)),i) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(i,apply(s,apply(b,X_19))),i),apply(apply(i,apply(s,apply(b,X_19))),i)) ),[1,0],$fot(apply(s,apply(b,X_19)))]]) ).

cnf(refute_0_59,plain,
    ( apply(i,apply(s,apply(b,X_19))) != apply(s,apply(b,X_19))
    | apply(apply(i,apply(s,apply(b,X_19))),i) = apply(apply(s,apply(b,X_19)),i) ),
    inference(resolve,[$cnf( $equal(apply(apply(i,apply(s,apply(b,X_19))),i),apply(apply(i,apply(s,apply(b,X_19))),i)) )],[refute_0_57,refute_0_58]) ).

cnf(refute_0_60,plain,
    apply(apply(i,apply(s,apply(b,X_19))),i) = apply(apply(s,apply(b,X_19)),i),
    inference(resolve,[$cnf( $equal(apply(i,apply(s,apply(b,X_19))),apply(s,apply(b,X_19))) )],[refute_0_56,refute_0_59]) ).

cnf(refute_0_61,plain,
    apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)),
    introduced(tautology,[refl,[$fot(apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))]]) ).

cnf(refute_0_62,plain,
    ( apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) != apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))
    | apply(apply(i,apply(s,apply(b,X_19))),i) != apply(apply(s,apply(b,X_19)),i)
    | apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)),apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) ),[1,1],$fot(apply(apply(s,apply(b,X_19)),i))]]) ).

cnf(refute_0_63,plain,
    ( apply(apply(i,apply(s,apply(b,X_19))),i) != apply(apply(s,apply(b,X_19)),i)
    | apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)),apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) )],[refute_0_61,refute_0_62]) ).

cnf(refute_0_64,plain,
    apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)),
    inference(resolve,[$cnf( $equal(apply(apply(i,apply(s,apply(b,X_19))),i),apply(apply(s,apply(b,X_19)),i)) )],[refute_0_60,refute_0_63]) ).

cnf(refute_0_65,plain,
    ( Y0 != X0
    | Y0 != Z0
    | X0 = Z0 ),
    introduced(tautology,[equality,[$cnf( $equal(Y0,Z0) ),[0],$fot(X0)]]) ).

cnf(refute_0_66,plain,
    ( X0 != Y0
    | Y0 != Z0
    | X0 = Z0 ),
    inference(resolve,[$cnf( $equal(Y0,X0) )],[refute_0_4,refute_0_65]) ).

cnf(refute_0_67,plain,
    ( apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) != apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i))
    | apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) != weak_fixed_point(X_19)
    | apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = weak_fixed_point(X_19) ),
    inference(subst,[],[refute_0_66:[bind(X0,$fot(apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))),bind(Y0,$fot(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)))),bind(Z0,$fot(weak_fixed_point(X_19)))]]) ).

cnf(refute_0_68,plain,
    ( apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)) != weak_fixed_point(X_19)
    | apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = weak_fixed_point(X_19) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)),apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i))) )],[refute_0_64,refute_0_67]) ).

cnf(refute_0_69,plain,
    apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = weak_fixed_point(X_19),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(s,apply(b,X_19)),i)),weak_fixed_point(X_19)) )],[refute_0_30,refute_0_68]) ).

cnf(refute_0_70,plain,
    apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) = apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))),
    introduced(tautology,[refl,[$fot(apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))))]]) ).

cnf(refute_0_71,plain,
    ( apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) != apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))
    | apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) != weak_fixed_point(X_19)
    | apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) = apply(X_19,weak_fixed_point(X_19)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))),apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))) ),[1,1],$fot(weak_fixed_point(X_19))]]) ).

cnf(refute_0_72,plain,
    ( apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)) != weak_fixed_point(X_19)
    | apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) = apply(X_19,weak_fixed_point(X_19)) ),
    inference(resolve,[$cnf( $equal(apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))),apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))) )],[refute_0_70,refute_0_71]) ).

cnf(refute_0_73,plain,
    apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) = apply(X_19,weak_fixed_point(X_19)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)),weak_fixed_point(X_19)) )],[refute_0_69,refute_0_72]) ).

cnf(refute_0_74,plain,
    apply(apply(apply(b,X),Z),Z) = apply(X,apply(Z,Z)),
    inference(subst,[],[b_definition:[bind(Y,$fot(Z))]]) ).

cnf(refute_0_75,plain,
    apply(apply(apply(s,apply(b,X)),i),Z) = apply(apply(apply(b,X),Z),Z),
    inference(subst,[],[refute_0_38:[bind(X_10,$fot(Z)),bind(X_8,$fot(apply(b,X)))]]) ).

cnf(refute_0_76,plain,
    ( apply(apply(apply(s,apply(b,X)),i),Z) != apply(apply(apply(b,X),Z),Z)
    | apply(apply(apply(b,X),Z),Z) = apply(apply(apply(s,apply(b,X)),i),Z) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(apply(apply(apply(s,apply(b,X)),i),Z))),bind(Y0,$fot(apply(apply(apply(b,X),Z),Z)))]]) ).

cnf(refute_0_77,plain,
    apply(apply(apply(b,X),Z),Z) = apply(apply(apply(s,apply(b,X)),i),Z),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,apply(b,X)),i),Z),apply(apply(apply(b,X),Z),Z)) )],[refute_0_75,refute_0_76]) ).

cnf(refute_0_78,plain,
    ( apply(apply(apply(b,X),Z),Z) != apply(X,apply(Z,Z))
    | apply(apply(apply(b,X),Z),Z) != apply(apply(apply(s,apply(b,X)),i),Z)
    | apply(apply(apply(s,apply(b,X)),i),Z) = apply(X,apply(Z,Z)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(b,X),Z),Z),apply(X,apply(Z,Z))) ),[0],$fot(apply(apply(apply(s,apply(b,X)),i),Z))]]) ).

cnf(refute_0_79,plain,
    ( apply(apply(apply(b,X),Z),Z) != apply(X,apply(Z,Z))
    | apply(apply(apply(s,apply(b,X)),i),Z) = apply(X,apply(Z,Z)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(b,X),Z),Z),apply(apply(apply(s,apply(b,X)),i),Z)) )],[refute_0_77,refute_0_78]) ).

cnf(refute_0_80,plain,
    apply(apply(apply(s,apply(b,X)),i),Z) = apply(X,apply(Z,Z)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(b,X),Z),Z),apply(X,apply(Z,Z))) )],[refute_0_74,refute_0_79]) ).

cnf(refute_0_81,plain,
    apply(apply(apply(s,apply(b,X_29)),i),X_30) = apply(X_29,apply(X_30,X_30)),
    inference(subst,[],[refute_0_80:[bind(X,$fot(X_29)),bind(Z,$fot(X_30))]]) ).

cnf(refute_0_82,plain,
    apply(apply(apply(s,i),i),X_30) = apply(X_30,X_30),
    inference(subst,[],[refute_0_20:[bind(X_11,$fot(X_30))]]) ).

cnf(refute_0_83,plain,
    ( apply(apply(apply(s,i),i),X_30) != apply(X_30,X_30)
    | apply(X_30,X_30) = apply(apply(apply(s,i),i),X_30) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(apply(apply(apply(s,i),i),X_30))),bind(Y0,$fot(apply(X_30,X_30)))]]) ).

cnf(refute_0_84,plain,
    apply(X_30,X_30) = apply(apply(apply(s,i),i),X_30),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,i),i),X_30),apply(X_30,X_30)) )],[refute_0_82,refute_0_83]) ).

cnf(refute_0_85,plain,
    ( apply(X_30,X_30) != apply(apply(apply(s,i),i),X_30)
    | apply(apply(apply(s,apply(b,X_29)),i),X_30) != apply(X_29,apply(X_30,X_30))
    | apply(apply(apply(s,apply(b,X_29)),i),X_30) = apply(X_29,apply(apply(apply(s,i),i),X_30)) ),
    introduced(tautology,[equality,[$cnf( $equal(apply(apply(apply(s,apply(b,X_29)),i),X_30),apply(X_29,apply(X_30,X_30))) ),[1,1],$fot(apply(apply(apply(s,i),i),X_30))]]) ).

cnf(refute_0_86,plain,
    ( apply(apply(apply(s,apply(b,X_29)),i),X_30) != apply(X_29,apply(X_30,X_30))
    | apply(apply(apply(s,apply(b,X_29)),i),X_30) = apply(X_29,apply(apply(apply(s,i),i),X_30)) ),
    inference(resolve,[$cnf( $equal(apply(X_30,X_30),apply(apply(apply(s,i),i),X_30)) )],[refute_0_84,refute_0_85]) ).

cnf(refute_0_87,plain,
    apply(apply(apply(s,apply(b,X_29)),i),X_30) = apply(X_29,apply(apply(apply(s,i),i),X_30)),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,apply(b,X_29)),i),X_30),apply(X_29,apply(X_30,X_30))) )],[refute_0_81,refute_0_86]) ).

cnf(refute_0_88,plain,
    apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))),
    inference(subst,[],[refute_0_87:[bind(X_29,$fot(X_19)),bind(X_30,$fot(apply(apply(i,apply(s,apply(b,X_19))),i)))]]) ).

cnf(refute_0_89,plain,
    ( apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) != apply(X_19,weak_fixed_point(X_19))
    | apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) != apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))
    | apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(X_19,weak_fixed_point(X_19)) ),
    inference(subst,[],[refute_0_66:[bind(X0,$fot(apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)))),bind(Y0,$fot(apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))))),bind(Z0,$fot(apply(X_19,weak_fixed_point(X_19))))]]) ).

cnf(refute_0_90,plain,
    ( apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))) != apply(X_19,weak_fixed_point(X_19))
    | apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(X_19,weak_fixed_point(X_19)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)),apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i)))) )],[refute_0_88,refute_0_89]) ).

cnf(refute_0_91,plain,
    apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) = apply(X_19,weak_fixed_point(X_19)),
    inference(resolve,[$cnf( $equal(apply(X_19,apply(apply(apply(s,i),i),apply(apply(i,apply(s,apply(b,X_19))),i))),apply(X_19,weak_fixed_point(X_19))) )],[refute_0_73,refute_0_90]) ).

cnf(refute_0_92,plain,
    ( apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)) != apply(X_19,weak_fixed_point(X_19))
    | weak_fixed_point(X_19) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))
    | weak_fixed_point(X_19) = apply(X_19,weak_fixed_point(X_19)) ),
    introduced(tautology,[equality,[$cnf( $equal(weak_fixed_point(X_19),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))) ),[1],$fot(apply(X_19,weak_fixed_point(X_19)))]]) ).

cnf(refute_0_93,plain,
    ( weak_fixed_point(X_19) != apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))
    | weak_fixed_point(X_19) = apply(X_19,weak_fixed_point(X_19)) ),
    inference(resolve,[$cnf( $equal(apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i)),apply(X_19,weak_fixed_point(X_19))) )],[refute_0_91,refute_0_92]) ).

cnf(refute_0_94,plain,
    weak_fixed_point(X_19) = apply(X_19,weak_fixed_point(X_19)),
    inference(resolve,[$cnf( $equal(weak_fixed_point(X_19),apply(apply(apply(s,apply(b,X_19)),i),apply(apply(i,apply(s,apply(b,X_19))),i))) )],[refute_0_55,refute_0_93]) ).

cnf(refute_0_95,plain,
    ( weak_fixed_point(X_19) != apply(X_19,weak_fixed_point(X_19))
    | apply(X_19,weak_fixed_point(X_19)) = weak_fixed_point(X_19) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(weak_fixed_point(X_19))),bind(Y0,$fot(apply(X_19,weak_fixed_point(X_19))))]]) ).

cnf(refute_0_96,plain,
    apply(X_19,weak_fixed_point(X_19)) = weak_fixed_point(X_19),
    inference(resolve,[$cnf( $equal(weak_fixed_point(X_19),apply(X_19,weak_fixed_point(X_19))) )],[refute_0_94,refute_0_95]) ).

cnf(refute_0_97,plain,
    apply(fixed_pt,weak_fixed_point(fixed_pt)) = weak_fixed_point(fixed_pt),
    inference(subst,[],[refute_0_96:[bind(X_19,$fot(fixed_pt))]]) ).

cnf(refute_0_98,plain,
    ( apply(fixed_pt,weak_fixed_point(fixed_pt)) != weak_fixed_point(fixed_pt)
    | weak_fixed_point(fixed_pt) != weak_fixed_point(fixed_pt)
    | weak_fixed_point(fixed_pt) = apply(fixed_pt,weak_fixed_point(fixed_pt)) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(weak_fixed_point(fixed_pt),apply(fixed_pt,weak_fixed_point(fixed_pt))) ),[1],$fot(weak_fixed_point(fixed_pt))]]) ).

cnf(refute_0_99,plain,
    ( weak_fixed_point(fixed_pt) != weak_fixed_point(fixed_pt)
    | weak_fixed_point(fixed_pt) = apply(fixed_pt,weak_fixed_point(fixed_pt)) ),
    inference(resolve,[$cnf( $equal(apply(fixed_pt,weak_fixed_point(fixed_pt)),weak_fixed_point(fixed_pt)) )],[refute_0_97,refute_0_98]) ).

cnf(refute_0_100,plain,
    weak_fixed_point(fixed_pt) != weak_fixed_point(fixed_pt),
    inference(resolve,[$cnf( $equal(weak_fixed_point(fixed_pt),apply(fixed_pt,weak_fixed_point(fixed_pt))) )],[refute_0_99,prove_weak_fixed_point]) ).

cnf(refute_0_101,plain,
    weak_fixed_point(fixed_pt) = weak_fixed_point(fixed_pt),
    introduced(tautology,[refl,[$fot(weak_fixed_point(fixed_pt))]]) ).

cnf(refute_0_102,plain,
    $false,
    inference(resolve,[$cnf( $equal(weak_fixed_point(fixed_pt),weak_fixed_point(fixed_pt)) )],[refute_0_101,refute_0_100]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.10  % Problem  : COL002-4 : TPTP v8.1.0. Bugfixed v3.1.0.
% 0.02/0.10  % Command  : metis --show proof --show saturation %s
% 0.10/0.30  % Computer : n032.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit : 300
% 0.10/0.30  % WCLimit  : 600
% 0.10/0.30  % DateTime : Tue May 31 07:58:28 EDT 2022
% 0.10/0.30  % CPUTime  : 
% 0.10/0.30  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 1.97/2.17  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 1.97/2.17  
% 1.97/2.17  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 1.97/2.18  
%------------------------------------------------------------------------------